发明授权
US5798512A Hand-held terminal with movable window 失效
带移动窗口的手持式终端

Hand-held terminal with movable window
摘要:
In bar code symbol scanning systems employing laser, optical and sensor components, a mirrorless scanner arrangement mounts one or more of these components on a drive for repetitive reciprocating movement either about an axis or in a plane to effect scanning.
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